Illinois River Watershed Ecosystem

Please provide sighting details of various species in the watershed area.
If you are unsure about the boundaries of the watershed area, please check the map at:
http://en.wikipedia.org/wiki/File:IllinoisRiver_watershed.png
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Documentation of the various species in the Illinois River watershed ecosystem from its confluence with the Mississippi River at Grafton, IL to its formation approximately 10 miles southwest of Joliet, IL.